68849384045552 has 20 divisors (see below), whose sum is σ = 145522561733016. Its totient is φ = 31295174566080.

The previous prime is 68849384045531. The next prime is 68849384045569. The reversal of 68849384045552 is 25554048394886.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195594840863 + ... + 195594841214.

Almost surely, 2^{68849384045552} is an apocalyptic number.

It is an amenable number.

68849384045552 is an abundant number, since it is smaller than the sum of its proper divisors (76673177687464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68849384045552 is a wasteful number, since it uses less digits than its factorization.

68849384045552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391189682096 (or 391189682090 counting only the distinct ones).

The product of its (nonzero) digits is 1327104000, while the sum is 71.

The spelling of 68849384045552 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, five hundred fifty-two".